Maybe I'll take that one. I have a couple of comments in response.
The proposed changes to the Canada workers benefit do extend out the range to essentially provide benefits to full-time, minimum wage workers. It also includes a mechanism to ensure the potential disincentive effects, particularly for secondary workers—who are women, more often than not—are mitigated. It excludes the first $14,000 of that secondary earner's income, which is an important aspect in terms of looking at this.
In terms of effect, we estimate that about a million additional workers would benefit from this.
In terms of the broader economic effect, I don't have an estimate of that. There is a considerable amount of literature with reference to the earned income tax credit in the U.S., which demonstrates that this has a positive effect on labour market participation, which of course is a key driver of economic growth.